Ch. 8

Question 1

Cytoplasm

Answer 1

The gel like material that fills out a cell; it makes up most of the volume of the cell, and suspends the organelles of the cell.

Question 2

Deep fascia

Answer 2

A dense layer of fibrous tissue below the subcutaneous tissue; composed of tough bands of tissue that surround muscles and other internal structures.

Question 3

Dendrites

Answer 3

Branchlike projections of nerve cells that receive impulses or sensory information from nearby cells and conduct impulses toward the nerve cell body.

Question 4

Deoxyribonucleic acid (DNA)

Answer 4

Specialized structure within the cell that carries genetic material for reproduction.

Question 5

Depolarization

Answer 5

In response to an action potential, the rapid movement of electrolytes across a cell membrane that changes overall charge of the cell. This rapid shifting of electrolytes and cellular charges is the main catalyst for muscle contractions and neural transmissions.

Question 6

Dermatome

Answer 6

The area of the skin supplied by a specific sensory spinal nerve.

Question 7

Descending aorta

Answer 7

The portion of the aorta that extends through the thorax and abdomen into the pelvis.

Question 8

Diapedesis

Answer 8

A process whereby leukocytes move through the wall of a capillary and out to the tissues where they are needed most.

Question 9

Diaphragm

Answer 9

Large skeletal muscle that plays a major role in breathing and separates the chest cavity from the abdominal cavity.

Question 10

Diaphysis

Answer 10

The shaft of a long bone